Signal transmission connector



1.1 is a top perspective view of a signal transmission connector;

1.2 is a front view thereof;

1.3 is a rear view thereof;

1.4 is a left view thereof;

1.5 is a right view thereof;

1.6 is a top view thereof;

1.7 is a bottom view thereof; and

1.8 is a bottom perspective view thereof.

The portions of the signal transmission connector shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a signal transmission connector, as shown and described. 